code: def serialize(obj):
      obj_type, obj_bytes = serialize_obj(obj)
      return struct.pack("!h", obj_type) + obj_bytes
  
file_path: FATE/python/fate/arch/computing/serdes/_safe_serdes.py
imports: import enum
  import struct
  from functools import singledispatch
label_desc: Use image node_id 1 for calling the SafeSerdes obj's underlying member method code with example usage: obj.serialize(obj) and returns: unknown